From 822c596206f537c619bf6f3b5e646c005d6b52e1 Mon Sep 17 00:00:00 2001
From: Thomas Goyne <plorkyeran@aegisub.org>
Date: Sun, 6 Oct 2013 07:11:53 -0700
Subject: [PATCH] Fix overriding charset for subtitle files

IconvWrapper needs the non-lowercased charset for the pretty -> real
name mapping to work.
---
 aegisub/libaegisub/include/libaegisub/line_iterator.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/aegisub/libaegisub/include/libaegisub/line_iterator.h b/aegisub/libaegisub/include/libaegisub/line_iterator.h
index c26df9630..43e88f03e 100644
--- a/aegisub/libaegisub/include/libaegisub/line_iterator.h
+++ b/aegisub/libaegisub/include/libaegisub/line_iterator.h
@@ -71,8 +71,7 @@ public:
 	, lf('\n')
 	, width(1)
 	{
-		boost::to_lower(encoding);
-		if (encoding != "utf-8") {
+		if (boost::to_lower_copy(encoding) != "utf-8") {
 			agi::charset::IconvWrapper c("utf-8", encoding.c_str());
 			c.Convert("\r", 1, reinterpret_cast<char *>(&cr), sizeof(int));
 			c.Convert("\n", 1, reinterpret_cast<char *>(&lf), sizeof(int));